According to the Palestinian eyewitnesses who fled the horrors of the terrorist group, they saw heads cut off and children killed in front of their parents, IB Times reports.

Ibrahim Abdel Fatah, a 55-year-old refugee, told AFP “We had heard of their cruelty from the television, but when we saw it ourselves… I can tell you, their reputation is well-deserved.”

Another teenager Palestinian refugee, Amjad Yaaqub, said he saw ISIS members “playing with a severed head as if it was a football”.

Yaaqub added “Daesh came to my home looking for my brother who’s in the Palestinian Popular Committees. They beat me until I passed out and left me for dead.”

It is estimated that 400 families including around 2,000 people fled the camp to Yalda, a neighbouring area which is under control of government forces, and 150 others escaped to Syrian army controlled areas.

Wesam Sabaaneh, a member of the Yarmouk-based Jafra Foundation, said around 18,000 Palestinian refugees are trapped in their houses by the clashes and heavy shelling and have no access to basic needs or medical supplies.

past thursday ISIS terrorist, entered the camp from the nearby Hajar Aswad neighborhood in southern Damascus in a coordinated attack with their rivals in the Al Qaeda-affiliated Nusra Front.

According to the UK-based Syrian Observatory for Human Rights, ISIS managed to take control of large parts of the Yarmouk camp following clashes with a Palestinian group.